Z 14300200289, School of Information Engineering, National University of Defense Technology, No.54 Deya Road, Changsha 0731-4572340 0731-4223134.
Hunan Wei Tuo Information System Co., Ltd. Level I Z 1430020050232 Changsha High-tech Industrial Development Zone C4 Group B-51KLOC-0/073/-8668232 0731-8668122.
Hunan Chuangfa Tianchen Technology Co., Ltd. Level 1 Z1430020060507701No.0731-4775500731-4775577, Building 8, Section 3, Cai Ying Garden, Yuelu District, Changsha City.
Hunan You Xiang Science and Technology Co., Ltd. Grade II Z2430020020027 No.2 Yulan Road, Lugu Base, Changsha High-tech Industrial Development Zone 0731-8998880731-899889
Hunan Yin Tian Information Industry Co., Ltd. Grade II Z24300200400 10 C2 Group of Binjiang Fortune Silicon Valley, Changsha High-tech Industrial Development Zone 0731-88095880731-8925592
Level II of Changsha Kechuang Computer System Integration Co., Ltd. Z243002004023 1 No.54 Shaoshan Road, Changsha City (Changsha Railway Institute) 0731-26562000731-2656521
Level II Z2430020050054 of Hunan Changhai Science and Technology Development Co., Ltd. 0731-2919681-291.
Class ⅲ Z3430020020407 No.55, Angel Road, Wangchengpo, Changsha City, Hunan Province (Building 07, Wang Yue Township) 0731-8940788-8019 0731-8940878
Hunan Yiheng Electronics Co., Ltd. Class III Z3430020030344 Bainaohui Building, No.538 Renmin Middle Road, Changsha10731-4127 0760 731-413/4330.
Hunan tianyi science and technology development co., ltd. level 3 z 3430020030345 no. Room 0731-41535460731-41565438, C4 Group, Changsha High-tech Industrial Development Zone.
Changsha Hongda Science and Technology Development Co., Ltd. Grade III Z3430020030520 No.65, Second Section of Furong Middle Road, Changsha 0731-2236637 0731-4451965
Grade III Z3430020040096 Yuan Jing Science and Technology Co., Ltd. of Hunan Province 0731-8388791-80200731-838800, No.8 Xingcheng Avenue, Wangcheng County, Changsha City, Hunan Province.
China Aviation Industry Third Design & Research Institute Level III Z3430020050025 No.4 Zhang Xiang Road, Yuhua District, Changsha City, Hunan Province 0731-55813970731-5676244
Level III of Changsha Yetongda Monitoring Technology Co., Ltd. Z3430020050026 6th Floor, Jin Xin Building, M7 Group, Changsha High-tech Development Zone 0731-28145531-28/kloc-0.
Hunan Changxin Information System Integration Co., Ltd. Level III Z3430020050 183 No.9023 Wan Li Building, No.289 Yinpen South Road, Yuelu District, Changsha City 073 1-4362288 to 299073 1-436288 to 202 and 203.
Jin Xin Building, Changsha High-tech Zone, Floor 3, Z3430020050184M7-10731-8914560731-880750.
Class ⅲ Z3430020050 185 9th Floor, Wan Li Building, No.289 Yinpen South Road, Changsha City, Hunan Province 0731-89910650731-8991066.
Hunan Wanxiang Technology Co., Ltd. Grade III Z343002006011No.89 Jiefang East Road, Furong District, Changsha City (Tianxin Electronic World Block A 1500 1 Room) 0731-2922666.
Hunan Tianchen Communication Co., Ltd. Class III Z3430020060 1 12 No.77 Shaoshan Road, Changsha 0731-4460359 0731-4462722
Changsha Hanke Electric Power Engineering Industry Co., Ltd. Grade III Z3430020060 140 New Century City 150 1,15020731-5179485073/KLOC-0.